三、新语篇 安全标志 生活中有各种各样的安全标志，它们用不同的形状和颜色提醒我们注意安全。阅读材料，完成下列各题。
There are so many safety signs around us. They are different in shape(形状) and colour. These shapes and colours can help us keep safe when we see them. Now, let's take a look.

（一）根据材料内容，选择正确的答案。
()1. The shape means .
A. you must not do something B. you must do something
C. you should do something right away
()2. Which of the safety signs may show you must do something?

()3. When we see a safety sign in the shape of , we should .
A. wait B. be careful C. ask for help
（二）新考法 开放式谈观点 根据实际情况，回答问题。
What do you think of the safety signs?

(一)1~3 A A B
1. 解析红圈斜杠标志的含义是禁止做某事，故选A。
2. 解析蓝色标志代表“必须做某事”，故选A。
3. 解析黄色三角形标志代表“注意、有危险”，看到这类标志要小心，故选B。
(二)Safety signs are very important. They can help us keep safe.
(答案不唯一)